Finding the Fourth Proportional to 79,729.80, 119,594.70 and 24,325.80
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Solution
The fourth proportional to 79,729.80, 119,594.70 and 24,325.80 is: 36,488.70
Step by Step Solution
- Step 1: Write the proportion equation
79,729.80 : 119,594.70 = 24,325.80 : x - Step 2: Convert to fraction form
79,729.80/119,594.70 = 24,325.80/x - Step 3: Cross multiply
79,729.80x = 119,594.70 × 24,325.80 - Step 4: Simplify right side
79,729.80x = 2,909,236,753.26 - Step 5: Solve for x
x = 2,909,236,753.26/79,729.80 - Step 6: Final answer
x = 36,488.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.